20252530022 has 4 divisors (see below), whose sum is σ = 30378795036. Its totient is φ = 10126265010.

The previous prime is 20252530021. The next prime is 20252530043. The reversal of 20252530022 is 22003525202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20252530022² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20252530022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252530021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063132504 + ... + 5063132507.

It is an arithmetic number, because the mean of its divisors is an integer number (7594698759).

Almost surely, 2^20252530022 is an apocalyptic number.

20252530022 is a deficient number, since it is larger than the sum of its proper divisors (10126265014).

20252530022 is a wasteful number, since it uses less digits than its factorization.

20252530022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126265013.

The product of its (nonzero) digits is 2400, while the sum is 23.

The spelling of 20252530022 in words is "twenty billion, two hundred fifty-two million, five hundred thirty thousand, twenty-two".